Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653947 | Method of treating alumina trihydrate containing bauxite of low reactive silica content to form supersaturated sodium aluminate liquor | — | 1997-08-05 |
| 5628972 | Process for removing iron in sodium aluminate liquors obtained from alkaline attack of bauxite containing alumina monohydrate | Jean Deville | 1997-05-13 |